The Catalina Yachts Catalina 34 MkI - Wing Keel 1985 vs Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
On paper these two are close siblings in the size department — Catalina Yachts Catalina 34 MkI - Wing Keel 1985 at 34,6 ft versus Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 at 36,5 ft. Weight tells a clearer story for trailering families: the Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 tips the scales at 12 937 lbs — 404 lbs less than the Catalina Yachts Catalina 34 MkI - Wing Keel 1985 at 12 533 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The Catalina Yachts Catalina 34 MkI - Wing Keel 1985 carries a rated maximum of 30 hp. Engine data for the Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.
For family outings this is probably the sharpest distinction between the two. The Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 is rated for 11 passengers, while the Catalina Yachts Catalina 34 MkI - Wing Keel 1985 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 could be the deciding factor.
Both boats sit in a similar displacement bracket — 12 533 lbs for the Catalina Yachts Catalina 34 MkI - Wing Keel 1985 and 12 937 lbs for the Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 draws 6,8 ft, compared to 4,4 ft for the Catalina Yachts Catalina 34 MkI - Wing Keel 1985. That 2,4-foot difference affects which anchorages you can access, which haul-out facilities will take you, and how carefully you need to read the tide tables in shallower cruising grounds.
The Catalina Yachts Catalina 34 MkI - Wing Keel 1985 uses Sloop rigging. The Catalina Yachts Catalina 34 MkI - Wing Keel 1985 has a documented auxiliary engine of 30 hp.
Hull speed is rated at 7,5 knots for the Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 and 7,3 knots for the Catalina Yachts Catalina 34 MkI - Wing Keel 1985.
Bottom line: The Catalina Yachts Catalina 34 MkI - Wing Keel 1985 and Catalina Yachts Catalina 350 MkII - Fin Keel Fin Keel 2007 are closely matched on paper. A sea trial on both in representative conditions is the only reliable way to find which one suits your sailing style, home port, and intended cruising ground.